/*
 * Copyright 2000-2009 JetBrains s.r.o.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.intellij.lang.ant.validation;

import com.intellij.lang.ant.AntBundle;
import com.intellij.lang.ant.dom.AntDomProject;
import com.intellij.lang.ant.dom.AntDomTarget;
import com.intellij.lang.ant.dom.TargetResolver;
import com.intellij.openapi.util.Comparing;
import com.intellij.util.xml.DomElement;
import com.intellij.util.xml.highlighting.DomElementAnnotationHolder;
import com.intellij.util.xml.highlighting.DomHighlightingHelper;
import org.jetbrains.annotations.Nls;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;

public class AntDuplicateTargetsInspection extends AntInspection {

  @NonNls private static final String SHORT_NAME = "AntDuplicateTargetsInspection";

  @Nls
  @NotNull
  public String getDisplayName() {
    return AntBundle.message("ant.duplicate.targets.inspection");
  }

  @NonNls
  @NotNull
  public String getShortName() {
    return SHORT_NAME;
  }

  protected void checkDomElement(DomElement element, final DomElementAnnotationHolder holder, DomHighlightingHelper helper) {
    if (element instanceof AntDomProject) {
      final AntDomProject project = (AntDomProject)element;
      TargetResolver.validateDuplicateTargets(project.getContextAntProject(), new TargetResolver.TargetSink() {
        public void duplicateTargetDetected(AntDomTarget existingTarget, AntDomTarget duplicatingTarget, String targetEffectiveName) {
          final AntDomProject existingTargetProj = existingTarget.getAntProject();
          final AntDomProject duplucatingTargetProj = duplicatingTarget.getAntProject();
          final boolean isFromDifferentFiles = !Comparing.equal(existingTargetProj, duplucatingTargetProj);
          if (project.equals(existingTargetProj)) {
            final String duplicatedMessage = isFromDifferentFiles? 
              AntBundle.message("target.is.duplicated.in.imported.file", targetEffectiveName, duplucatingTargetProj != null? duplucatingTargetProj.getName() : "") : 
              AntBundle.message("target.is.duplicated", targetEffectiveName);
            holder.createProblem(existingTarget.getName(), duplicatedMessage);
          }
          if (project.equals(duplucatingTargetProj)) {
            final String duplicatedMessage = isFromDifferentFiles? 
              AntBundle.message("target.is.duplicated.in.imported.file", targetEffectiveName, existingTargetProj != null? existingTargetProj.getName() : "") : 
              AntBundle.message("target.is.duplicated", targetEffectiveName);
            holder.createProblem(duplicatingTarget.getName(), duplicatedMessage);
          }
        }
      });      
    }
  }
}